[webkit-dev] Hanging builds

[Adam Roben]

On Nov 28, 2011, at 6:35 PM, Adam Roben wrote:

> On Nov 26, 2011, at 3:34 AM, Nikolas Zimmermann wrote:
> 
>> Good morning WebKit folks,
>> 
>> I'm looking at build.webkit.org/waterfall, and see several bots which are idle, but still report "building < 1min" pretending they would do something.
>> Does any of our build.webkit.org masters know the cause of this? They all seem to hang in the "upload" step. Can we detect these errors, and avoid that?
>> Maybe sth. like a 30min timeout timer for this step?
>> 
>> Thanks in advance,
>> Niko
>> 
>> P.S. I'm aware that a master restart would "fix this", but maybe we can try better and avoid that completely.
> 
> More and more of these seemed to be piling up, so I restarted the master. I don't know what causes them, though I suspect it has something to do with slaves restarting during a download/upload step.

It looks like Buildbot doesn't have support for setting a timeout for file transfers. We could write our own file transfer step that uses rsync or similar, which would allow us to use the standard timeout mechanism.

-Adam